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Earthquake: M 2.7 quake strikes near Brenas in Puerto Rico

Earthquake location 18.566S, -66.4004WA minor earthquake magnitude 2.7 (mg/mb) was reported Monday, 12 kilometers (7 miles) from Brenas in Puerto Rico. The temblor was reported at 02:04:21 / 2:04 pm (local time epicenter) at a depth of 44 km (27 miles). Global time of event 2015-01-12 06:04:21 UTC/GMT. A tsunami warning has not been issued, according to the U.S. Geological Survey. Exact location of event, longitude -66.4004 West, latitude 18.566 North, depth 44 km.

Close countries, Puerto Rico (c. 3 917 000 pop). The epicenter was 33 km (20 miles) from San Juan (c. 418 100 pop), 32 km (20 miles) from Bayamón (c. 203 500 pop), 51 km (32 miles) from Carolina (c. 170 400 pop), 66 km (41 miles) from Ponce (c. 152 600 pop), 52 km (33 miles) from Caguas (c. 86 800 pop). Nearest city, towns to epicentrum/hypocenter was Luquillo, Maricao, Patillas.

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Leave a comment or report about shaking, activity and damage at your home, city and country. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded in: 12 km NNW of Brenas, Puerto Rico.

More information

Parameter Value Description
Magnitude 2.7 mb The magnitude for the event.
Longitude -66.4004° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.566° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 44 km Depth of the event in kilometers.
Place 12km NNW of Brenas, Puerto Rico Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-01-12 18:04:21 Time when the event occurred. UTC/GMT
Updated 2015-01-12 18:22:53 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 Timezone offset from UTC in minutes at the event epicenter.
Felt The total number of felt reports
CDI The maximum reported intensity for the event.
MMI The maximum estimated instrumental intensity for the event.
Alert Level The alert level from the PAGER earthquake impact scale. Green, Yellow, Orange or Red.
Review Status REVIEWED Indicates whether the event has been reviewed by a human.
Tsunami This flag is set to "1" for large events in oceanic regions and "0" otherwise. The existence or value of this flag does not indicate if a tsunami actually did or will exist.
SIG 112 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network pr The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources pr A comma-separated list of network contributors.
Number of Stations Used 11 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.15001865 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.21 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 237.6 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type Md The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID pr15012002 Id of event.
Event Code 15012002 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS pr15012002 A comma-separated list of event ids that are associated to an event.

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